Electrically assisted pedal-propelled vehicles

Details Electrically assisted pedal-propelled vehicles Electrically assisted pedal-propelled vehicles

1976-06-29

1979-09-25

Peters, Jr., Joseph F.

Motor vehicles

Special wheel base

Rider propulsion with additional source of power, e.g.,...

180220, 200 6112, 280214, B62M 700

Patent

active

041687582

ABSTRACT:
An electrically assisted pedal power vehicle includes a rotation sensing arrangement sensing the direction of rotation of a rotary drive member in the pedal propulsion mechanism of the vehicle. The rotation sensing arrangement includes a pair of switches actuable by means on the drive member. The switches control a monostable circuit such that the circuit produces an output pulse only when the switches are actuated in the correct order. A frequency to voltage converter may be driven by the monostable circuit with a Schmidt trigger sensitive to the output of the converter controlling the electric drive motor.

REFERENCES:
patent: 2546610 (1951-03-01), Pacurar
patent: 3264639 (1966-08-01), Lerman et al.
patent: 3426303 (1969-02-01), Buckner
patent: 3569927 (1971-03-01), Guyton et al.
patent: 3622722 (1971-11-01), Jackson et al.
patent: 3773131 (1973-11-01), Jaulmes

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